The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5990-01-160-5967
NSN 5945-00-450-6375
NSN 5996-01-278-9294
NSN 5960-00-227-0243
NSN 5960-00-529-0583
NSN 4140-00-404-7092
NSN 6650-00-186-5966
NSN 6145-01-495-0942
NSN 7035-01-081-5797
NSN 5998-00-216-8107
NSN 5985-00-938-2734
NSN 7035-00-731-8729